japan. that country's atomic safety agency is reporting pressure is rising again inside the nuclear power plant. japanese authorities are now backing away from plans to vent radioactive steam from the reactor, over concerns of damaging water supplies. levels are iodide are above government limits. tiny amount of radiation is found in tokyo's tap water and in rainfall over a wider area. taiwan reports receiving a contaminated batch of fava beans imported from japan. >>. >> some of heading home. >> i fall right into the safety zone so i didn't feel safe staying. >> japanese authorities say the attempts to cool the overheating reactor by spraying water on it may not be working. >>> uc berkely has detected very small radiation levels in the bay area. preliminary results show as of 10:30 yesterday morning trays amounts of elements were recorded. uc berkely said those elements do not naturally occur and are assume to have originated from the fukushima nuclear site. still they say the levels are we